The scale drawing has a scale of 1 inch 15 feet. the artist wants a new scale of 1 inch 5 feet. what will be the combined length of the truck and trailer in the new scale drawing? !

The combined length of the truck and trailer in the new scale drawing is 15 in

Step-by-step explanation:

In the first drawing the combined length of the truck and the trailer is 5 in.

If the scale is 1 inch equals 15 feet then the length is:

.

If the actual length is 75 feet and we want to make a drawing with a scale of 1 inch = 5 feet then the dimensions of the drawing will be:

The length of the truck plus the trailer in the new drawing will be 15 inches

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents